Academic literature on the topic 'Conical pipe ends expanding'

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Journal articles on the topic "Conical pipe ends expanding"

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Razooqi, Ahmed Ibrahim. "Experimental and Numerical Analysis of Expanded Pipe using Rigid Conical Shape." Journal of Engineering 24, no. 8 (2018): 106. http://dx.doi.org/10.31026/j.eng.2018.08.09.

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The experimental and numerical analysis was performed on pipes suffering large plastic deformation through expanding them using rigid conical shaped mandrels, with three different cone angles (15◦, 25◦, 35◦) and diameters (15, 17, 20) mm. The experimental test for the strain results investigated the expanded areas. A numerical solution of the pipes expansion process was also investigated using the commercial finite element software ANSYS. The strains were measured for each case experimentally by stamping the mesh on the pipe after expanding, then compared with Ansys results. No cracks were gen
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Ono, Manabu, Manabu Otsuki, and Shigeo Kato. "A Study of an In-Pipe Microrobot Having Bulging Friction Brakes." Journal of Robotics and Mechatronics 17, no. 3 (2005): 255–61. http://dx.doi.org/10.20965/jrm.2005.p0255.

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We discuss fabrication of a new microrobot consisting of two outer stabilizers structured by a rubber bellows having four or six rubber bulging rubber friction brakes and a center mover that drives the microrobot by expanding and contracting. We studied friction generated by friction brakes modeled as a simple beam fixed at both ends. Friction generated by stabilizer is confirmed to be predictable. The fabricated microrobot moves in a pipe in which the friction factor is 0.34, confirmed by navigating a porcine intestine.
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Wu, Zhong Ye, Xiang Jun Fang, and Wen Long Sun. "Numerical Analysis of Hot Ends Length Effect on the Performance of Energy Separation in Vortex Tube." Advanced Materials Research 732-733 (August 2013): 120–26. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.120.

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In this paper, effects of the vortex tube hot end lengths on the performance are studied, using a three-dimensional numerical fluid dynamic model. The hot end and cold end structure of vortex tube adapts the conical tube with the dilated side connecting a straight pipe. Structural mesh is employed. Different turbulence models are used, compared with experiment, considered of convergence and computing time, eventually, SST model is applied. In contrast to experimental data, numerical results are acceptable. By numerical analysis, it is observed that as the length of hot ends increases, the perf
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Dissertations / Theses on the topic "Conical pipe ends expanding"

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Ujčík, Miroslav. "Návrh automatického lisu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443743.

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The master's thesis deals with the design of a press, which will be part of a robotic workplace. This workplace is designed for a company operating as a subcontractor for the automotive industry, for which automation is one of the most important processes of development and increasing labor productivity. The robotized cell is part of a line for heat treatment of plastic tube semi-finished products. The cell itself is used to press the conical extension of the pipe ends using a steel mandrel. In order to manipulate the parts, the corresponding end effectors of robots are designed in the work, w
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Conference papers on the topic "Conical pipe ends expanding"

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Luviano-Ortiz, J. Luis, Eduardo Ramos, Abel Hernandez-Guerrero, and Jose-Manuel Luna. "Incompresible Periodically Reversing Flow in a Conical Pipeline of Finite Length." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11208.

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A numerical three-dimensional study has been carried out to analyze the hydrodynamic behavior of an incompressible periodically-reversing flow in a conical pipeline of finite length. In order to generate the oscillatory flow, a two pistons-driven pipe flow was established (the pistons were placed at the ends of the pipeline.) In the smaller piston the Womersley number was set to 16 while the axial displacement/diameter ratio was set to 1. The hydrodynamic flow behavior is considered and discussed for the accelerating and decelerating phases of the cycle. The numerical results show the generati
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Kuroda, Kouichi, Tsutomu Arita, Takahiro Takano, Hajime Oosako, Tatsuya Okui, and Masayoshi Akiyama. "New Cold-Expansion Process for End Sizing and Dimensional Precision of Inside Geometry on Both Ends of Line Pipes." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29232.

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Cold-expansion process has been developed for ensuring dimensional precision of inside geometry on the end portions of line pipe. For expanding the inside diameter of line pipe, a plug insertion method by cold press in the axial direction from the end side was finally adopted. As the nature of end sizing operation, only very small amount of cold plastic strain is applicable by cold expansion, and in order to realize the high dimensional precision of end portion a special geometry of the plug had to be designed. If a single-taper plug is adopted the expanded portion tends to overshoot and the i
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Sun, Qin, Jian Qu, Jianping Yuan, Hai Wang, and Scott M. Thompson. "Fluid Flow and Heat Transfer Characteristics of Micro Oscillating Heat Pipes With and Without Expanding Channels." In ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/mnhmt2019-3976.

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Abstract The oscillating heat pipe is considered a promising candidate for high-efficiency and compact thermal control for next-generation electronics. In this paper, the visualized flow and heat transfer characteristics of two silicon-based micro oscillating heat pipes (micro-OHPs) with expanding and straight channels, respectively, were experimentally investigated. The overall size of these two micro-OHPs are both 28 mm × 23 mm × 1.025 mm and have thirty rectangular cross-section channels. The hydraulic diameter of parallel direct channel is 332.4 μm, while they are about 364.4 and 287.0 μm
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Mekha, Basim, and Shankar Bhat. "Newer Frontiers in the Design of Steel Catenary Risers for Floating Production Systems." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-11562.

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It is not uncommon nowadays to have a new floating production facility installed with steel catenary risers (SCRs) as the main method for receiving and exporting fluids. The use of steel catenary in deeper and shallower waters alike where it was challenging and even unthinkable some years back is now feasible. Advancements in the SCR technology cover not only design and software, but also manufacturing, installation methods and capabilities. Since the first author’s OMAE 2001 paper “New Frontiers in the Design of Steel Catenary Risers for Floating Production Systems” [1] was published, a numbe
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DeVito, Anthony, Alex Krutovskiy, and Leszek Czajkowski. "LaGuardia Airport Design Build Extends Runway Decks for Safety Improvement." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.2229.

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<p>Land is scarce near LaGuardia airport, a major and unique component of NYC's urban infrastructure, and the safety of air passengers and neighboring Queens NY residents was of paramount importance in the design. The challenge of expanding the runways was met with design-build for both quick and efficient design and construction which could also accommodate future regional growth.</p><p>The purpose of the LGA Runway Extension Project is to extend the existing runways into Flushing Bay as a safety area improvement to support Engineered Material Arresting System (EMAS) - a cru
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